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@article{TM_1975_138_a3, author = {N. L. Zmatrakov}, title = {Convergence of an interpolation process for parabolic and cubic splines}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {71--93}, publisher = {mathdoc}, volume = {138}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1975_138_a3/} }
N. L. Zmatrakov. Convergence of an interpolation process for parabolic and cubic splines. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Approximation of functions and operators, Tome 138 (1975), pp. 71-93. http://geodesic.mathdoc.fr/item/TM_1975_138_a3/